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Merge pull request #1344 from YosysHQ/eddie/ice40_signed_macc

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ice40_dsp to allow signed multipliers
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Eddie Hung 2019-09-01 10:11:33 -07:00 • committed by GitHub
commit 4aa505d1b2
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3 changed files with 10 additions and 12 deletions
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5
passes/pmgen/ice40_dsp.cc
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@ -64,11 +64,6 @@ void create_ice40_dsp(ice40_dsp_pm &pm)
bool mul_signed = st.mul->getParam("\\A_SIGNED").as_bool();
if (mul_signed) {
log(" inference of signed iCE40 DSP arithmetic is currently not supported.\n");
return;
}
log(" replacing $mul with SB_MAC16 cell.\n");
Cell *cell = pm.module->addCell(NEW_ID, "\\SB_MAC16");